| UTR Pro Tennis Series Barcelona | 2021/04/28 09:30 | Zakhar Trapeznikov v Ivan Gakhov | 2-6,7-5,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/27 15:00 | Zakhar Trapeznikov v Jules Marie | 4-6,7-5,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/04/26 12:30 | Bruno P Navarro v Zakhar Trapeznikov | 6-4,5-4 |
| ITF M25 Reus | 2021/04/11 11:00 | Yan Bondarevskiy v Zakhar Trapeznikov | 6-3,6-3 |
| ITF M25 La Nucia | 2021/03/16 08:25 | Zakhar Trapeznikov v Leopold Zima | 6-2,2-6,10-12 |
| ITF M25 La Nucia | 2021/03/15 12:00 | Zakhar Trapeznikov v Joel Vincent Link | 6-4,6-1 |
| ITF M25 La Nucia | 2021/03/14 12:00 | Alberto Barroso Campos v Zakhar Trapeznikov | 3-6,4-6 |
| ITF M15 La Nucia | 2021/03/09 10:00 | Imanol L Morillo v Zakhar Trapeznikov | 5-7,7-5,10-0 |
| UTR Pro Tennis Series Barcelona | 2021/04/29 13:30 | Jules Marie v Ilya Snitari | 4-6,6-3,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/04/27 13:00 | Bruno P Navarro v Ilya Snitari | 3-6,6-1,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/26 08:00 | Ilya Snitari v Ivan Gakhov | 5-7,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/11 07:00 | Jules Marie v Ilya Snitari | 3-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 09:00 | Ilya Snitari v Johan Sebastien Tatlot | 4-6,6-3,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 12:30 | Petr Nesterov v Ilya Snitari | 2-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 11:30 | Thomas Laurent v Ilya Snitari | 1-6,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 08:30 | Aristotelis Thanos v Ilya Snitari | 2-6,7-6,4-6 |